diff --git a/README.md b/README.md
index dde9e28c..19d7d450 100644
--- a/README.md
+++ b/README.md
@@ -127,16 +127,17 @@ Working examples
 
 Here are some repos that use cibuildwheel.
 
+- [Matplotlib](https://github.com/matplotlib/matplotlib) - The venerable Matplotlib, a Python library with C++ portions, built for Linux, Mac, and Windows on Github Actions.
 - [pyinstrument_cext](https://github.com/joerick/pyinstrument_cext) - A simple C extension, without external dependencies, built on Travis CI/Appveyor.
 - [websockets](https://github.com/aaugustin/websockets)
-- [Parselmouth](https://github.com/YannickJadoul/Parselmouth)
+- [Parselmouth](https://github.com/YannickJadoul/Parselmouth) - A Python interface to the Praat software package, using pybind11, C++17 and CMake, with the core Praat static library built only once and shared between wheels; all platforms built on Github Actions.
 - [python-admesh](https://github.com/admesh/python-admesh)
 - [pybase64](https://github.com/mayeut/pybase64)
 - [KDEpy](https://github.com/tommyod/KDEpy)
 - [AutoPy](https://github.com/autopilot-rs/autopy)
 - [apriltags2-ethz](https://github.com/safijari/apriltags2_ethz)
 - [TgCrypto](https://github.com/pyrogram/tgcrypto)
-- [Twisted](https://github.com/twisted/twisted)
+- [twisted-iocpsupport](https://github.com/twisted/twisted-iocpsupport) - A submodule of Twisted that hooks into native C APIs using Cython. Built on Github CI for Windows.
 - [gmic-py](https://github.com/dtschump/gmic-py)
 - [creme](https://github.com/creme-ml/creme)
 - [PyAV](https://github.com/PyAV-Org/PyAV)
@@ -146,6 +147,8 @@ Here are some repos that use cibuildwheel.
 - [fathon](https://github.com/stfbnc/fathon)
 - [etebase-py](https://github.com/etesync/etebase-py) - Python bindings to a Rust library using `setuptools-rust`, and `sccache` for improved speed, built on Travis CI.
 - [xmlstarlet](https://github.com/dimitern/xmlstarlet) - Python 3.6+ CFFI bindings with true MSVC build and GitHub Actions.
+- [bx-python](https://github.com/bxlab/bx-python) - A library that includes Cython extensions, built on Travis CI for Mac and Linux.
+
 > Add your repo here! Send a PR.
 >
 > <sup>I'd like to include notes here to indicate why an example might be interesting to cibuildwheel users - the styles/technologies/techniques used in each. Please include that in future additions!</sup>